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19ee455e02
MSVC has an elastic definition of alignment. Alignment requirement promises in MSVC only reliably apply to objects on the heap.
86 lines
1.5 KiB
C++
86 lines
1.5 KiB
C++
/*
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(c) 2014-2015 Glen Joseph Fernandes
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<glenjofe -at- gmail.com>
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Distributed under the Boost Software
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License, Version 1.0.
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http://boost.org/LICENSE_1_0.txt
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*/
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#include <boost/align/alignment_of.hpp>
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#include <boost/align/is_aligned.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/config.hpp>
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#include <cstddef>
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template<std::size_t N>
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struct A {
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};
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template<class T>
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class P {
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public:
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P()
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: p(new T) {
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}
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~P() {
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delete p;
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}
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T* p;
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private:
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P(const P&);
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P& operator=(const P&);
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};
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template<std::size_t N>
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void test(char* p, A<N>)
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{
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BOOST_TEST(boost::alignment::is_aligned(p, N));
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BOOST_TEST(!boost::alignment::is_aligned(&p[1], N));
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}
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void test(char* p, A<1>)
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{
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BOOST_TEST(boost::alignment::is_aligned(p, 1));
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}
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template<class T>
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void test()
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{
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P<T> o;
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test(reinterpret_cast<char*>(o.p),
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A<boost::alignment::alignment_of<T>::value>());
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}
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class X;
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int main()
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{
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test<bool>();
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test<char>();
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test<wchar_t>();
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#if !defined(BOOST_NO_CXX11_CHAR16_T)
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test<char16_t>();
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#endif
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#if !defined(BOOST_NO_CXX11_CHAR32_T)
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test<char32_t>();
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#endif
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test<short>();
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test<int>();
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test<long>();
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#if !defined(BOOST_NO_LONG_LONG)
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test<long long>();
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#endif
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test<float>();
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test<double>();
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test<long double>();
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test<void*>();
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test<char*>();
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test<int*>();
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test<X*>();
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test<void(*)()>();
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test<int X::*>();
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test<int(X::*)()>();
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return boost::report_errors();
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}
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